What is the construction and purpose of wires, harnesses, and connectors?

Wires, harnesses, and connectors are elements of a car's electrical installation that connect power sources, consumers, sensors, and controllers. A typical set consists of conductive cores, insulation, covers, plugs, pins, and mounting points to the body or equipment. These parts appear in various vehicle zones, from the engine compartment to the interior and trunk lid. Their construction must correspond to the specific circuit and car equipment.

What are wires, harnesses, and connectors used for?

Wires, harnesses, and connectors are used to transmit current and control signals between car components. They are responsible for powering devices, communication between modules, and maintaining stable electrical connections. Without them, lighting, starting, charging, sensors, or onboard electronics would not work properly. Their condition also affects the speed of fault diagnosis and the reliability of installing other electrical elements.

What is the construction and function of an electrical connector in a car?

An electrical connector is an element connecting two sections of an installation or a wire to a specific vehicle component. It usually consists of a housing, contact pins, a latch, and often a seal protecting against moisture and dirt. Its function is to ensure a secure contact and the possibility of safely disconnecting the installation during service. The appropriate type of connector is important for conductivity quality, sealing, and vibration resistance.

How to choose wires, harnesses, and connectors for a specific car version?

It is safest to compare the OEM part number, interchangeable numbers, location on the vehicle, and the body and equipment version. It is also worth checking the number of pins, plug shape, harness routing, and mounting points. For elements supporting several systems, the fuel type and the presence of additional modules are also important.

What symptoms indicate wear of wires, harnesses, and connectors?

Typical symptoms include intermittent power loss, controller errors, blown fuses, unstable lighting operation, and problems with starting selected devices. In practice, insulation cracks, corrosion on contacts, and damage in bending areas are also encountered. Such signals should be immediately compared with the mounting location and the condition of the connections.

How to take care of wires, harnesses, and connectors after installation?

After installation, ensure the harness is routed correctly so it does not rub against sharp edges and is not exposed to excessive bending. It is also important to properly seat all clips, holders, and latches, and to keep the connectors clean. During periodic inspections, it is good to check the condition of the insulation and the tightness of connections in areas exposed to moisture.

Wiring Harnesses, Cables & Connectors

At the Global Parts automotive store, we offer a wide selection of original used car parts, including cables, harnesses and connectors for many popular car brands such as BMW, Mini, Mercedes, Audi, Volkswagen and others. The cables, harnesses and connectors we offer undergo quality control so that you can be sure that you are receiving a top-class product.

More information

Find it faster

Match to your vehicle

Make

BMW 7 Series E65 E66 E67 Battery Cable Wire Earth Ground Minus Negative L=260MM

€23.95

Part no. 8682893

BMW F20 F30 LCI 120i 320i 330i B48 Engine Wiring Cable Loom Harness 8644504

€75.95

Part no. 8513157

Battery Electric Cable BMW F45 F48 Mini F56 F60 Alternator Starter Motor 8513157

€23.95

Part no. 55585024

Vauxhall Opel Insignia A 2.0 TDCI Engine Control Module 55585024 Manual

€28.95

Part no. 7810860-1

BMW 3 Series E90 E91 E92 E93 LCI N47N Engine Alternator Starter Cable B 7810860

€23.95

Part no. A2661503133

Engine Wiring Mercedes W169 W245 M266 Petrol Cable Loom Harness A2661503133

€37.95

Part no. 7789222

BMW 3 5 7 X3 X5 Series E46 E53 E60 E65 E83 Cable Alternator Starter

€23.95

Part no. 6929148

BMW E63 E64 Front Bumper PDC Loom Cables Wiring Set 6929148

€23.95

Part no. 9313618

BMW 3 Series F30 F31 F80 M3 Front Rear Right O/S Wiring Loom Harness Cables Set

€42.95

Part no. 9291956

BMW 1 Series F20 F20N LCI Front Door Wiring Loom Harness Driver Side 9291956

€23.95

Part no. A1775401910

Mercedes W177 Door Wiring Rear Door Left N/S Module Harness Cables A1775401910

€23.95

Part no. 3412574

BMW X3 Series E83 Rear Left Right Door N/O/S Wiring Loom Cables 3412574

€23.95

Part no. A2465400508

Battery Cable Mercedes C117 W176 W246 Alternator Wiring Harness A2465400508

€23.95

Part no. 9115449

BMW X5 X6 E70 E71 Power Junction Box Positive Battery Cable Plus Pole 9115449

€23.95

Part no. 9251727

BMW 1 Series F20 F21 Front Bumper PDC Loom Cables Wiring 9251727

€56.95

Part no. 7848469

BMW F80 M3 F82 F83 M4 Wiring Harness Engine Gearbox Module 7848469

€94.95

Part no. 8507880

BMW 1 3 Series F20 F21 F30 F31 N47N Wiring Loom Harness Engine Gearbox Module

€23.95

Part no. A1635400534

Mercedes-Benz M ML W163 Front Left Right Door Wiring Loom Harness A1635400534

€23.95

Part no. 5N0971228D

Volkswagen Tiguan 5N Battery Lead Positive Cable Plus Pole Wiring 5N0971228D

€23.95

Part no. 06L971627A

Audi S1 8X S3 8V VW Golf R Mk7 2.0 TFSI Fuel Injectors Wiring Harness 06L971627A

€23.95

Part no. 6832696

Mini F55 F56 F57 IBS Negative Battery Lead Cable Wiring 6832696

€23.95

Part no. 6R0971537N

Seat Ibiza 6J Battery Ground Line Earth Negative Cable Wiring 6R0971537N

€23.95

Part no. 9244429

BMW X6 Series E71 Rear Bumper PDC Cables Wiring Loom Set 9244429

€32.95

Part no. A0009820912

Mercedes W176 W222 W246 Voltage Converter Power Distributor Fuse A0009820912

€23.95

Part no. 9286479

BMW F10 F11 LCI Front Bumper PDC Sensors Loom Cables Wiring Set 9286479

€75.95

Part no. A2055405626

Mercedes W205 C350e Hybrid Electric Drive Battery High Voltage Wiring Harness

€89.95

Part no. 5E0971095CN

Skoda Octavia 3 5E Front Bumper Wiring Harness Loom 5E0971095CN

€28.95

Part no. A9065460121

Mercedes W906 Battery Cable Negative Lead Wiring Harness A9065460121

€23.95

Part no. A2045409533

Mercedes W204 Door Wiring Front Right O/S Door Cable Harness A2045409533

€23.95

Part no. 8736083

BMW F98 Battery Lead Pole Negative Cable IBS Sensor 8736083

€23.95

Part no. 8595355

BMW G11 G12 G30 G32 G14 Starter Cable Alternator Cable Starter-Base B+ 8595355

€29.95

Part no. 06L971627K

Audi TT FY 2.0 TFSI Petrol Fuel Injectors Wiring Harness 06L971627K

€23.95

Part no. 6967184-1

BMW X5 E70 Positive Battery Cable Terminal Box Base B+ X6 E71 6967184

€23.95

Part no. 059971627D

Audi A6 C7 High Pressure Pump Fuel Line Electrical Wiring Harness 059971627D

€23.95

Part no. 8585642

BMW F20 F21 F30 F31 N47N Wiring Loom Harness Engine Gearbox Module 8585642

€47.95

Part no. KK2T-14303-AE

Ford Transit Custom Mk8 Starter Motor Cable Loom Wiring KK2T-14303-AG

€56.95

Part no. 6824108

BMW F30 LCI 330e Hybrid High Voltage EDH Wiring Cable Wire 6824108

€32.95

Part no. 7567776

Starter Cable BMW E81 X1 E84 E87 E90 N52 Alternator Battery Wire B 7567776

€23.95

Part no. 9805422

BMW Mini Cooper One R50 R52 R53 R55 R56 R57 R58 R59 R60 R61 Earth Ground Cable

€23.95

Part no. 9287433

BMW F21 F22 Wiring Loom Door Drivers Side Front Right O/S 9340973

€23.95

Part no. 5F4971194A

Seat Leon 5F Rear Bumper Wiring Loom PDC Harness Parking Sensor 5F4971194A

€23.95

Part no. A2055402992

Mercedes W205 Parking Sensor Wiring Rear Bumper PDC Loom Cable A2055402992

€47.95

Part no. 8635811

BMW F20 F30 LCI 118i 318i B38 Engine Wiring Loom Harness Cables Set 8635811

€66.95

Part no. A2034404532

Mercedes CLC-Class CL203 Rear Parking Sensor Wiring Loom Cable PDC A2034404532

€23.95

Part no. 9131649

Driver Seat Cable BMW E81 E82 E87 E88 Sensor Mat Wiring 9131649

€23.95

Part no. A9060034199

Mercedes-Benz Sprinter W906 Front Left N/S Door Wiring Loom Harness A9060005999

€23.95

Part no. A2045407135

Earth Ground Cable Mercedes W204 C207 Line Strap Battery Lead A2045407135

€23.95

Part no. 9259425-1

Positive Battery Cable BMW F30 F31 F80 M3 F82 M4 Plus Pole Power Red 9259425

€32.95

Part no. 8625074

Engine Wiring Mini F55 F56 Cooper S Petrol B46 B48 Cable Loom Harness 8625074

€32.95

Part no. A2115400008

ABS Sensor Mercedes W211 C219 Front Brake Wiring Harness Right O/S A2115400006

€23.95

Part no. 9348763

BMW 3 4 Series F30 F80 M3 F82 M4 Battery Cable Lead Positive Underfloor 9348763

€113.95

Part no. 7857551

Battery Cable BMW F80 M3 F82 M4 Wire Lead Positive Alternator Starter B+ 7857551

€23.95

Part no. 9217004-1

BMW X5 X6 E70 E71 Positive Battery Cable Wiring Plus Pole 9217004

€37.95

Part no. 7615308

BMW F20 F21 F30 Petrol N13 Wiring Loom Harness Engine Gearbox Manual 7615308

€23.95

Part no. 7622980

Wiring Harness BMW F20 F21 F30 Motor Sensor System Module 2 7622980

€37.95

Part no. 8P4971693AB

Audi A3 8P Door Wiring Harness Loom Cabling Rear Left Right N/O/S 8P4971693AB

€23.95

Part no. 7543297

BMW 5 6 Series E60 E61 E63 E64 N52 Cable Alternator Starter Base B

€23.95

Part no. 7605076

BMW F06 F10 F11 F12 F13 Wiring Harness Cable Engine Ignition Module N55 7605076

€61.95

Part no. 8585935

BMW F20 F23 F30 F34 F36 LCI Automatic Gearbox Wiring Loom Harness 8585935

€47.95

Part no. 9142405

Mini Cooper One R56 Front Left Door Wiring Harness N/S 9142405

€23.95

Part no. 9150883

BMW 3 E93 Convertible Boot Trunk Lid Tailgate Wiring Loom Harness Cables 9150883

€51.95

Part no. A2125400035

Earth Ground Cable Mercedes W204 W207 W212 Battery Starter Wiring A2125400035

€23.95

Part no. 7810860

BMW E90 E91 E92 LCI N47N Engine Alternator Starter Cable B 7810860

€23.95

Part no. 04E971612ES

Seat Ibiza 6J Engine Wiring Harness Loom Manual Gearbox 1.2 TSI CJZC 04E971612ES

€42.95

Part no. 6906914

BMW X5 E53 Battery Cable Negative Wire 6919976

€23.95

Part no. 4F1971035N

Audi A6 C6 Front Driver Side Door Wiring Harness Loom Cable 4F1971035L

€23.95

Part no. 8V0971104

Audi A3 S3 8V Sportback Wiring Harness PDC Parking Sensor Rear Bumper 8V0971104

€23.95

Part no. A9067600404

Bowden Cable Mercedes W906 Rear Sliding Door Opener Cable Wire A9067600404

€23.95

Part no. 6910542

BMW 3 X3 Series E46 E83 Battery Cable Plus Pole Power Positive 6910542

€23.95

Part no. 9137800

Mini Cooper One R55 R56 R57 Passenger's Door Harness Wiring Cables N/S 9137800

€23.95

Part no. 9244422

BMW X5 E70 LCI Front Bumper PDC Loom Cables Wiring Set 9244422

€28.95

Part no. 7524109

BMW Z4 E85 Petrol M54 Wiring Loom Harness Engine Gearbox Manual 7524109

€42.95

Part no. 9315096

BMW X3 F25 Rear Bumper PDC Wiring Loom Parking Sensor Cable Harness 9315096

€51.95

Part no. A1645403132

Mercedes-Benz M-Class ML W164 Wiring Loom Cable Harness Fuel Tank A1645403132

€32.95

Part no. 7615305

Engine Wiring BMW F20 F21 F30 F31 N13 Loom Module Harness Cable 7615305

€23.95

Part no. A2055404106

Brake Harness Mercedes W205 Rear Left Brake Pad Wear Wire Wiring A2055404106

€23.95

Part no. 6953424-2

BMW Z4 Series 2 E85 E86 Positive Battery Cable Plus Pole Lead 6953424

€37.95

Part no. A2711501920

Engine Wiring Mercedes W204 C207 W212 M271 Harness Loom Cable A2711501920

€132.95

Part no. A9067601304

Mercedes-Benz Sprinter W906 Front Right Door O/S Handle Bowden Pull Cable

€23.95

Part no. 1K0971228N

Audi A3 VW Golf Caddy Battery Lead Positive Cable Plus Pole Wiring 1K0971228N

€23.95

Part no. A9067601204

Mercedes Sprinter W906 Front Left Door N/S Handle Bowden Pull Cable A9067601204

€23.95

Part no. 9302937

BMW F01 LCI Cable Door Rear Left Right N/O/S Wiring Harness 9262882

€23.95

Part no. 7852144

BMW F10 M5 F12 M6 Ignition Engine Wiring Harness Ignition Module Cyl.1-4 7852144

€66.95

Part no. 8E0971687L

Audi A4 B7 Door Harness Loom Cable Wiring Rear Left Right N/O/S 8E0971687L

€23.95

Part no. 7793200

BMW X5 E70 X6 E71 E90 E90N E91 E92 E93 Cable Alternator Starter 7793200

€23.95

Part no. 5N0971235A

Audi A3 8P VW Golf MK6 Battery Negative Earth Cable Harness Wiring 5N0971235A

€23.95

Part no. 8635813

Engine Wiring BMW F20 F30 F31 LCI B38 Valvetronic Servomotor Cable Loom 8635813

€23.95

Part no. 6970337

BMW E92 Seat Backrest Adjustment Adapter Lead Cable 6970337

€23.95

Part no. 6941445

BMW E63 E64 Bluetooth Cable Hands Free Telephone Microphone Unit 6941445

€23.95

Part no. 3452226

BMW X3 Series E83 LCI Wiring Harness Engine Gearbox Module 3452226

€32.95

Part no. 8385159

BMW 3 X3 Series E46 E83 Battery Cable Holder Mounting B Base 8385159

€23.95

Part no. 8V5T-14301-AA

Ford Fiesta Mk7 Negative Minus Terminal Battery Cable Wire Loom 8V5T-14301-AA

€23.95

Part no. 8W0971687AQ

Audi A4 B9 Door Wiring Loom Harness Rear Left Right N/O/S 8W0971687AQ

€32.95

Part no. 7120204

BMW E93 Cable Wiring Loom Harness Hydraulic Pump 7120204 7191362

€32.95

Part no. 6953424-3

BMW Z4 E85 E86 Positive Battery Cable Plus Pole Lead 6953424

€23.95

Part no. 4H0971104S

Audi A8 D4 Rear Bumper PDC Parking Sensor Wiring Harness Loom Cable 4H0971104S

€32.95

Part no. 8636054

BMW F20 F30 LCI 120i 320i 330i B48 Engine Wiring Cable Loom Harness 8636054

€165.95

Part no. 2379303

Engine Wiring Mini One F57 Petrol B38 Loom Cable Harness Injector Module 2379303

€23.95

...

Showing 100-198 of 4444 products